Cobalt
magnesium
ferrite
nanoparticles,
with
the
chemical
formula
Co0.5Mg0.5Fe2O4
(CMFO),
were
synthesized
via
co-precipitation
and
subjected
to
annealing
at
200–800
°C
a
step
size
of
200.
Thermal
analysis
for
as-dried
sample
was
investigated
through
thermogravimetric
(TGA)
differential
thermal
(DTA).
The
presence
plateau
region
in
DTA
curve
above
366
°C,
combined
slight
weight
loss
noted
TGA
curve,
indicates
that
sample,
specifically
CMFO,
has
successfully
transitioned
into
its
final
phase.
X-ray
diffraction
Fourier
transform
infrared
spectroscopy
(FTIR)
unveiled
formation
spinel
CMFO
NPs
belonging
Fd-3m
space
group.
Williamson–Hall
method
showed
particle
increasing
from
8.20
52.15
nm
tensile
microstrain
decreasing
6.90
1.84
×
10−3
higher
temperatures,
by
shift
(311)
plane.
TEM
images
confirmed
smaller
nanoparticles
minimal
agglomeration.
Particles
nearly
uniform
are
achieved
optimum
temperature
600
owing
narrow
distribution
profile.
experimental
magnetization
data
analyzed
using
Langevin
function
law
approach
saturation
determine
magnetization,
spanning
15.46
43.90
emu/g.
magnetic
characteristics
annealed
samples
exhibited
rise
coercive
force,
reaching
up
349.74
Oe
elevation
temperature.
range
attributes
makes
it
highly
advantageous
various
applications,
including
sensor
technology,
high-frequency
devices,
energy
storage
devices.
Journal of Magnesium and Alloys,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 1, 2024
This
review
paper
explores
the
efficacy
of
magnesium
ferrite-based
catalysts
in
photocatalytic
degradation
organic
contaminates
(antibiotic
and
dyes).
We
report
influence
different
doping
strategies,
synthesis
methods,
composite
materials
on
efficiency
these
pollutants.
Our
analysis
reveals
versatile
promising
nature
catalysts,
offering
valuable
insights
into
their
practical
application
for
restoring
environment.
Due
to
smaller
band
gap
magnetic
ferrite,
it
holds
benefit
utilising
broader
spectrum
light
while
also
being
recoverable.
The
in-depth
ferrites'
mechanism
could
lead
development
cheap
reliable
photocatalyst
wastewater
treatment.
concise
offers
a
thorough
summary
key
advancements
this
field,
highlighting
pivotal
role
ferrite
based
photocatalysts
addressing
pressing
global
issue
pollutants
wastewater.
Catalysts,
Год журнала:
2025,
Номер
15(4), С. 365 - 365
Опубликована: Апрель 8, 2025
Over
time,
nanoparticles’
chemistry
has
shown
exceptional
ability
to
solve
a
wide
range
of
problems
in
various
fields,
including
the
control
microbiological
air
quality
buildings.
Herein,
magnesium
ferrite
(MgFe2O4)
was
synthesized
using
coprecipitation,
then
characterized
X-ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FTIR),
Brunauer–Emmett–Teller
(BET),
scanning
electron
microscopy
(SEM),
Transmission
Electron
Microscopy
(TEM)
and
photoelectron
(XPS).
MgFe2O4
nanoparticles
were
assessed
for
their
inhibit
Escherichia
coli
ATCC
8739
growth
airborne
bacterial
viability
laboratory
atmosphere
through
direct
filtration
system.
The
material
showed
strong
inhibitory
activity
against
E.
by
eliminating
practically
all
viable
cells
tested
suspensions
after
1
h
contact
time
presence
light.
Finally,
prepared
setup
revealed
that
passing
bacteria
non-woven
fabric
filters
impregnated
with
effectively
eliminates
them.
Thus,
only
colony-forming
unit
(CFU)
obtained
from
36
L
filtered
air,
while
filter
(without
MgFe2O4)
allowed
passage
2.6
×
105
CFU
liquid
medium.
results
initiate
potential
applications
controlling
indoor
(IAQ),
especially
healthcare
facilities
where
microbial
resistance
antibiotics
is
most
notable,
individuals
are
exposed,
contamination
risks
highest.
